Fundamentals and Units of Measurement 1673magneto hydrodynamics MHD
magneto-optical recording MOR
magneto-optics MO
magnetomotive force MMF
mail transfer protocol MTP
main cross connect MC
main distribution areas MDA
manufacturing automation protocol MAP
Mass Media Bureau MMB
master antenna television MATV
matched resistance RM
maxwell Mx
mean free path MFP
media access control MAC
medium area systems MAS
medium frequency MF
megabits per second Mbps
megabyte MB
megacycle per second MHz
megaelectronvolt MeV
megahertz MHz
megavolt MV
megawatt MW
megohm M:
metal-oxide semiconductor MOS
metal-oxide semiconductor field-effect transistor MOSFET
metal-oxide varistor MOV
meter m
meter-kilogram-second MKS
metropolitan area network MAN
microampere μA
microbar μbar
microelectromechanical systems MEMS
microfarad μF
microgram μg
microhenry μH
micrometer μm
micromho μmho
microphone mic
microsecond μs
microsiemens μS
microvolt μV
microwatt μW
midi time code MTC
mile (statute) mi
mile per hour mi/hTable 48-9. Recommended Abbreviations
Unit or Term Symbol or
Abbreviationmilli m
milliampere mA
millibar mbar
millibarn mb
milligal mGal
milligram mg
millihenry mH
milliliter ml
millimeter mm
millimeter of mercury, conventional mmHg
millisecond ms
millisiemens mS
millivolt mV
milliwatt mW
minidisc MD
minute (plane angle) ...c
minute (time) min
modified rhyme test MRT
modulation reduction factor m(F)
modulation transfer function MTF
modulation transmission function MTF
mole mol
most significant bit MSB
motion drive amplifier MDA
motion JPEG M-JPEG
Motion Picture Experts Group MPEG
moves, adds, and changes MACs
moving coil MC
multichannel audio digital interface MADI
multichannel reverberation MCR
multichannel audio digital interface MADI
Multimedia Cable Network System Partners Ltd MCNS
multiple system operator MSO
multiple-in/multiple-out MIMO
multiplier/accumulator MAC
multipoint distribution system MDS
multistage noise shaping MASH
multiuser telecommunications outlet assembly MUTOA
music cd plus graphics CD-G
musical instrument digital interface MIDI
mutual inductance M
nanoampere nA
nanofarad nF
nanometer nm
nanosecond ns
nanowatt nWTable 48-9. Recommended Abbreviations
Unit or Term Symbol or
Abbreviation